sycamine
主操作
main operation【计】;master operation【计】
暂无补充释义。
相关词条
main line index of transversality
main loop
main shaft
undermine
main pulley for secondary change-speed
main spindle
main canal
main operation【计】;master operation【计】
暂无补充释义。
sycamine
main line index of transversality
main loop
main shaft
undermine
main pulley for secondary change-speed
main spindle
main canal